<template>
    <div class="pay">
        <van-nav-bar fixed title="订单结算台" left-arrow @click-left="$router.go(-1)" />

        <!-- 地址相关 -->
        <div class="address">

            <div class="left-icon">
                <van-icon name="logistics" />
            </div>

            <div class="info" v-if="selectAddress?.address_id">
                <div class="info-content">
                    <span class="name">{{ selectAddress.name }}</span>
                    <span class="mobile">{{ selectAddress.phone }}</span>
                </div>
                <div class="info-address">
                    {{ longAddress }}
                </div>
                </div>

            <div class="info" v-else>
                请选择配送地址
            </div>

            <div class="right-icon">
                <van-icon name="arrow" />
            </div>
        </div>

        <!-- 订单明细 -->
    <div class="pay-list" v-if="order.goodsList">
      <div class="list">
        <div class="goods-item" v-for="item in order.goodsList" :key="item.goods_id">
            <div class="left">
              <img :src="item.goods_image" alt="" />
            </div>
            <div class="right">
              <p class="tit text-ellipsis-2">
                {{ item.goods_name }}
              </p>
              <p class="info">
                <span class="count">x{{ item.total_num }}</span>
                <span class="price">¥{{ item.total_pay_price }}</span>
              </p>
            </div>
        </div>
      </div>

      <div class="flow-num-box">
        <span>共 {{ order.orderTotalNum }} 件商品，合计：</span>
        <span class="money">￥{{ order.orderTotalPrice }}</span>
      </div>

      <div class="pay-detail">
        <div class="pay-cell">
          <span>订单总金额：</span>
          <span class="red">￥{{ order.orderTotalPrice }}</span>
        </div>

        <div class="pay-cell">
          <span>优惠券：</span>
          <span>无优惠券可用</span>
        </div>

        <div class="pay-cell">
          <span>配送费用：</span>
          <span v-if="!selectAddress">请先选择配送地址</span>
          <span v-else class="red">+￥0.00</span>
        </div>
      </div>

      <!-- 支付方式 -->
      <div class="pay-way">
        <span class="tit">支付方式</span>
        <div class="pay-cell">
          <span><van-icon name="balance-o" />余额支付（可用 ¥ {{ personal.balance }} 元）</span>
          <!-- <span>请先选择配送地址</span> -->
          <span class="red"><van-icon name="passed" /></span>
        </div>
      </div>

      <!-- 买家留言 -->
      <div class="buytips">
        <textarea v-model="remark" placeholder="选填：买家留言（50字内）" name="" id="" cols="30" rows="10"></textarea>
      </div>
    </div>

    <!-- 底部提交 -->
    <div class="footer-fixed">
      <div class="left">实付款：<span>￥{{ order.orderTotalPrice }}</span></div>
      <div class="tipsbtn" @click="submitOrder">提交订单</div>
    </div>
    </div>
</template>

<script>
import { checkOrder, submitOrder } from '@/api/order/index.js'
import { getAddressList } from '@/api/address/index.js'
export default {
    name: 'PayIndex',
    data() {
        return {
            addressList: [],
            order: {},
            personal: {},
            // 买家留言
            remark: ''
        }
    },
    computed: {
        selectAddress() {
            // 这里地址管理不是主线业务，直接获取默认第一条地址
            return this.addressList[0]
        },
        // 拼接收货地址
        longAddress() {
            const region = this.selectAddress.region
            return region.province + region.city + region.region + this.selectAddress.detail
        },

        // 区分是否购物车还是立即买
        mode() {
            return this.$route.query.mode
        },

        // 拼接商品id
        cartIds() {
            return this.$route.query.cartIds
        },

        
        goodsId() {
            return this.$route.query.goodsId
        },
        goodsSkuId() {
            return this.$route.query.goodsSkuId
        },
        goodsNum() {
            return this.$route.query.goodsNum
        }
    },
    async created() {
        this.getAddressList()
        this.getOrderList()
    },
    methods: {

        // 获取收货地址
        async getAddressList() {
            const { data: { list } } = await getAddressList()
            this.addressList = list
        },

        // 获取订单信息
        async getOrderList() {
            if (this.mode === 'cart') {
                const { data: { order, personal } } = await checkOrder(this.mode, { cartIds: this.cartIds })
                this.order = order
                this.personal = personal
            }

            if (this.mode === 'buyNow') {
                const { data: { order, personal } } = await checkOrder(this.mode, {
                    goodsId: this.goodsId,
                    goodsSkuId: this.goodsSkuId,
                    goodsNum: this.goodsNum
                })
                this.order = order
                this.personal = personal
            }
        },

        // 提交订单
        async submitOrder() { 
            // 判断是从购物车购买的还是立即购买的
            // 购物车
            if (this.mode === 'cart') { 
                await submitOrder(this.mode, {
                    remark: this.remark,
                    cartIds: this.cartIds
                })

            }

            // 立即购买
            if (this.mode === 'buyNow') { 
                await submitOrder(this.mode, {
                    remark: this.remark,
                    goodsId: this.goodsId,
                    goodsSkuId: this.goodsSkuId,
                    goodsNum: this.goodsNum
                })
            }

            // 支付成功
            this.$toast.success('支付成功')

            // 跳转到myOrder
            this.$router.replace('/myorder')
        }
    }
}
</script>

<style lang="less" scoped>
.pay {
    padding-top: 46px;
    padding-bottom: 46px;

    ::v-deep {
        .van-nav-bar__arrow {
            color: #333;
        }
    }
}

.address {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px;
    font-size: 14px;
    color: #666;
    position: relative;
    background: url(@/assets/border-line.png) bottom repeat-x;
    background-size: 60px auto;

    .left-icon {
        margin-right: 20px;
    }

    .right-icon {
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-7px);
    }
}

.goods-item {
    height: 100px;
    margin-bottom: 6px;
    padding: 10px;
    background-color: #fff;
    display: flex;

    .left {
        width: 100px;

        img {
            display: block;
            width: 80px;
            margin: 10px auto;
        }
    }

    .right {
        flex: 1;
        font-size: 14px;
        line-height: 1.3;
        padding: 10px;
        padding-right: 0px;
        display: flex;
        flex-direction: column;
        justify-content: space-evenly;
        color: #333;

        .info {
            margin-top: 5px;
            display: flex;
            justify-content: space-between;

            .price {
                color: #fa2209;
            }
        }
    }
}

.flow-num-box {
    display: flex;
    justify-content: flex-end;
    padding: 10px 10px;
    font-size: 14px;
    border-bottom: 1px solid #efefef;

    .money {
        color: #fa2209;
    }
}

.pay-cell {
    font-size: 14px;
    padding: 10px 12px;
    color: #333;
    display: flex;
    justify-content: space-between;

    .red {
        color: #fa2209;
    }
}

.pay-detail {
    border-bottom: 1px solid #efefef;
}

.pay-way {
    font-size: 14px;
    padding: 10px 12px;
    border-bottom: 1px solid #efefef;
    color: #333;

    .tit {
        line-height: 30px;
    }

    .pay-cell {
        padding: 10px 0;
    }

    .van-icon {
        font-size: 20px;
        margin-right: 5px;
    }
}

.buytips {
    display: block;

    textarea {
        display: block;
        width: 100%;
        border: none;
        font-size: 14px;
        padding: 12px;
        height: 100px;
    }
}

.footer-fixed {
    position: fixed;
    background-color: #fff;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 46px;
    line-height: 46px;
    border-top: 1px solid #efefef;
    font-size: 14px;
    display: flex;

    .left {
        flex: 1;
        padding-left: 12px;
        color: #666;

        span {
            color: #fa2209;
        }
    }

    .tipsbtn {
        width: 121px;
        background: linear-gradient(90deg, #f9211c, #ff6335);
        color: #fff;
        text-align: center;
        line-height: 46px;
        display: block;
        font-size: 14px;
    }
}</style>